Make the build user's $HOME configurable.
Use git-scm's tarball URL
Pull `ruby-install` directly from `codeload.github.com`

The previous GitHub URL would cause `remote_file` to infinitely redirect
until Chef threw an `Chef::Exceptions::RedirectLimitExceeded` exception.
Teach `remote_install` how to use environment variables
Ensure `.kitchen.local.example.yml` has platform-specific run_lists
Remove the `git` compiles dependency on `gettext`.

TL;DR - We don't need our git output translated!
Override FreeBSD's make flavor in the case statement